The Park CT-5 is ok for the home use. you can get a few dozen uses out of it before you see loss in performance. also it is not too forgiving if you are not placing the exactly on the chain pin, the rotating pin will brake. the park CT-3.2 is what i've been using for almost a decade. it just works and works and works. rusty chains or not perfect alignment of pin is fine. A very forgiving tool. its also very strong so if it hits the ground it doesn't bend or brake. I recently tried the Park CT-4.3, and its has a very similar action to the CT-3.2 but the handle is really comfortable to hold, makes it easier to stop before the pin falls out. it's pricey though.if you do 10 chains a year i would go for the CT 3.2. also it's worth mentioning the replacement pins are easy to purchase and relatively affordable and eventually you'll need one.